Update dependency @visual-framework/vf-content to v1.6.20

Author: renovate[bot]

package.json

@@ -29,7 +29,7 @@
     "@visual-framework/vf-code-example": "1.3.0",
     "@visual-framework/vf-collapse": "0.0.2",
     "@visual-framework/vf-config": "1.0.1-alpha.0",
-    "@visual-framework/vf-content": "1.6.1",
+    "@visual-framework/vf-content": "1.6.20",
     "@visual-framework/vf-core": "2.2.30",
     "@visual-framework/vf-design-tokens": "3.6.0",
     "@visual-framework/vf-details": "1.2.0",